QIU Tianshuang   

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Supervisor of Master's Candidates

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Language:English

Paper Publications

Title of Paper:Alpha稳定分布噪声环境下类M估计相关的DOA估计新算法

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Date of Publication:2013-05-25

Journal:通信学报

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:34

Issue:5

Page Number:71-78

ISSN No.:1000-436X

Key Words:M估计 波达方向估计 分数低阶统计量 MUSIC 算法 M-estimate direction of arrival estimation fractional lower order statistics MUSIC algorithm

Abstract:提出了一类适用于 Alpha 稳定分布随机变量的统计量—类 M 估计相关(MELC),通过构造阵列输出的类 M 估计相关矩阵,提出了适用于 Alpha 稳定分布噪声环境下的波达方向(DOA)估计新算法,即 MELC-MUSIC算法.仿真实验表明,在 Alpha 稳定分布噪声环境下,MELC-MUSIC 算法在抗噪声特性、多源信号分辨性以及对不同形式信号(圆对称信号或非圆对称信号)的适应性方面获得比基于分数低阶统计量(FLOS)的 MUSIC 方法更好的估计性能.

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